Haier HSU-18LTH/022L(W) User Manual

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Table of Contents

Questions and Answers:

L
Laura JonesAug 9, 2025
Why is my Haier Air Conditioner not cooling properly?
- G
  Gregory DawsonAug 9, 2025
  Poor cooling in your Haier Air Conditioner can stem from several factors. First, ensure the air filter is clean. Obstacles blocking the inlet and outlet can also hinder performance, so clear them away. Verify that the temperature is set correctly and that all doors and windows are closed. Direct sunlight can impact cooling efficiency, so use curtains to block it. Finally, consider reducing heat sources or the number of people in the room.
R
Robert WashingtonAug 15, 2025
What to do if my Haier HSU-18LTH/022L(W) does not work at all?
- D
  David CohenAug 15, 2025
  If your Haier Air Conditioner isn't working, start by checking if the power plug is properly inserted. Then, check to see if there is a power failure in your location. Finally, inspect the fuse to ensure it hasn't blown out.
C
Cynthia LeAug 21, 2025
Why is my Haier Air Conditioner making noise?
- H
  hartchristopherAug 21, 2025
  A swishing or gurgling noise from your Haier Air Conditioner during operation or after stopping is normal, caused by refrigerant flow, especially noticeable in the first few minutes after starting. A cracking noise during operation can be due to the casing expanding or shrinking with temperature changes. However, a big noise from airflow may indicate a dirty air filter, which should be cleaned or inspected.
T
Teresa DavisAug 27, 2025
Why does my Haier Air Conditioner not restart immediately?
- K
  Kelly RamirezAug 27, 2025
  When your Haier Air Conditioner is stopped, it won't restart immediately for about 3 minutes. This is a protection mechanism. If you unplug and re-plug the unit, this protection circuit activates for 3 minutes to safeguard the air conditioner.
C
camachoalexisSep 1, 2025
Why does my Haier HSU-18LTH/022L(W) Air Conditioner generate smells?
- I
  iromeroSep 2, 2025
  If your Haier Air Conditioner is generating smells, it's likely circulating odors from the room, such as those from furniture or cigarettes. You should investigate the source of these smells.

Haier HSU-18LTH/022L(W) Specifications

General

Brand	Haier
Model	HSU-18LTH/022L(W)
Category	Air Conditioner
Language	English

Summary

Cautions and Safety

General Safety & Operation Guidelines

Covers safe operation, installation by professionals, and electrical repair safety.

Specific Safety & Technical Notes

Addresses refrigerant safety, vent obstruction, child safety, and power connection requirements.

Operation

Remote Controller Buttons and Display

Explains the function of each button and display element on the remote control.

Remote Controller Operation and Setup

Covers remote operation, battery loading, and clock setting procedures.

Auto Run and Fan Operation

Cool, Heat, and Dry Operation

Fan Speed and Airflow Adjustment

Timer Operation and Unit Stop

Emergency, Test, and Sleep Modes

Installation

Installation Site Selection and Power Requirements

Indoor Unit Installation Procedures

Electrical Connections

Outdoor Unit Installation and Piping

Covers outdoor unit mounting, pipe connection, and purging.

Trouble Shooting

Performance Inspection and Causes

Lists common phenomena like no restart, noise, and smells with possible causes.

Common Operational Issues and Checks

Addresses issues like unit not working, poor cooling, and their checks.

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